[ 1305.229878][T11133] netdevsim netdevsim270 eni270np1: renamed from eth0
[ 1305.268022][T11132] netdevsim netdevsim644 eni644np1: renamed from eth1
[ 1308.861715][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1308.862547][T11125] Could not find netns with fd: 2000
[ 1308.863160][T11125] Cannot link a netdevsim to itself
[ 1308.868126][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).